<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区-->
    <el-card>
      <el-row :gutter="20">
        <!--搜索区域-->
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="this.getGoodsList"
          >
            <el-button slot="append" icon="el-icon-search" @click="this.getGoodsList"></el-button>
          </el-input>
        </el-col>
        <!--添加按钮区域-->
        <el-col :span="4">
          <el-button type="primary" @click="toAddGoodsPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--列表数据展示-->
      <el-table :data="goodslist" stripe border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="100px;"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="75px;"></el-table-column>
        <el-table-column label="创建时间" width="160px;">
          <template slot-scope="scope">{{scope.row.add_time | dataFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px;">
          <template slot-scope="scope">
            <el-button size="mini" type="primary">
              <i class="el-icon-edit"></i>
            </el-button>
            <el-button size="mini" type="danger" @click="removeGoodById(scope.row.goods_id)">
              <i class="el-icon-delete"></i>
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="this.queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="this.queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      //查询商品列表参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表总数
      total: 0,
      //商品列表集合
      goodslist: []
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //获取商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败!')
      }
      this.$message.success('获取商品列表成功!')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    //页码大小改变
    handleSizeChange(newPageSize) {
      this.queryInfo.pagesize = newPageSize
      this.getGoodsList()
    },
    //页码数改变
    handleCurrentChange(newPageNum) {
      this.queryInfo.pagenum = newPageNum
      this.getGoodsList()
    },
    //根据id删除商品
    removeGoodById(goods_id) {
      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async () => {
          const {data:res} =  await this.$http.delete(`goods/${goods_id}`);
          if(res.meta.status !== 200){
              return this.$message.error("删除失败")
          }
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          this.getGoodsList();
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    //跳转到添加商品页面
    toAddGoodsPage(){
        this.$router.push("/goods/addGood");
    }
  }
}
</script>
<style lang="less" scoped>
</style>